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What would cause an algorithm to have O(log log n) complexity?
...e form O(log log n). Instead of dividing the input in half at each layer, what happens if we take the square root of the size at each layer?
For example, let's take the number 65,536. How many times do we have to divide this by 2 until we get down to 1? If we do this, we get
65,536 / 2 = 32,768
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Javascript add leading zeroes to date
..., .slice(-2) gives us the last two characters of the string.
So no matter what, we can add "0" to the day or month, and just ask for the last two since those are always the two we want.
So if the MyDate.getMonth() returns 9, it will be:
("0" + "9") // Giving us "09"
so adding .slice(-2) on that...
Spinlock versus Semaphore
What are the basic differences between a semaphore & spin-lock?
11 Answers
11
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What does |= (single pipe equal) and &=(single ampersand equal) mean
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What does it mean that a is only evaluated once? Why would it be evaluated more times than that?
– silkfire
Oct 20 '18 at 21:43
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Use 'import module' or 'from module import'?
... import statement
You lose context about foo. For example, it's less clear what ceil() does compared to math.ceil()
Either method is acceptable, but don't use from module import *.
For any reasonable large set of code, if you import * you will likely be cementing it into the module, unable to ...
Prevent browser from loading a drag-and-dropped file
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what ? why should window dragover load the file ? this makes no sense ...
– L.Trabacchin
Jan 26 '18 at 14:53
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What is the maximum value for an int32?
I can never remember the number. I need a memory rule.
45 Answers
45
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Working with select using AngularJS's ng-options
...Item directly. The point is, with AngularJS, you don't need to worry about what's in your option tag. Let AngularJS handle that; you should only care about what's in your model in your scope.
Here is a plunker demonstrating the behavior above, and showing the HTML written out
Dealing with the de...
Difference between database and schema
What's the difference between a Database and a Schema in SQL Server? Both are the containers of tables and data.
5 Answers
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Is there some way to PUSH data from web server to browser?
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Yes, what you're looking for is COMET http://en.wikipedia.org/wiki/Comet_(programming). Other good Google terms to search for are AJAX-push and reverse-ajax.
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